• Our partners include:

  • National Express
  • RailEurope
  • ThamesLink
  • Virgin Trains
  • BlaBlaCar
  • Booking.com
  • Skyscanner
  • Airbnb
  • Expedia
  • Uber

There are 4 ways to get from Heathrow Airport Terminal 3 to Cardiff by train, bus or car

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2rio's travel planner.

Recommended option

Train  •  2h 48m

  1. Take the train from London Paddington to Cardiff Central

$102 - $177

Cheapest option

Bus  •  3h 15m

  1. Take the bus from Heathrow Airport London T2,3 to Cardiff Coach Station, Sophia Gardens National Express / ...

$24 - $55

2 alternative options

Train via Reading  •  3h 15m

  1. Take the train from West Drayton to Reading
  2. Take the train from Reading to Cardiff Central

$70 - $135

Drive  •  2h 18m

  1. Drive from Heathrow Airport Terminal 3 to Cardiff 137.6 miles

$29 - $45

Questions & Answers

The cheapest way to get from Heathrow Airport Terminal 3 to Cardiff is to drive which costs £22 - £35 and takes 2h 18m.

More details

The quickest way to get from Heathrow Airport Terminal 3 to Cardiff is to drive which costs £22 - £35 and takes 2h 18m.

More details

Yes, there is a direct bus departing from Heathrow Airport London T2,3 and arriving at Cardiff Coach Station, Sophia Gardens station. Services depart hourly, and operate every day. The journey takes approximately 3h 10m.

More details

No, there is no direct train from Heathrow Airport Terminal 3 to Cardiff. However, there are services departing from Heathrow Terminals 2 & 3 and arriving at Cardiff Central via London Paddington. The journey, including transfers, takes approximately 2h 48m.

More details

The distance between Heathrow Airport Terminal 3 and Cardiff is 118 miles. The road distance is 137.6 miles.

Get driving directions

The best way to get from Heathrow Airport Terminal 3 to Cardiff without a car is to train which takes 2h 48m and costs £75 - £140.

More details

It takes approximately 2h 48m to get from Heathrow Airport Terminal 3 to Cardiff, including transfers.

More details

Heathrow Airport Terminal 3 to Cardiff bus services, operated by National Express, depart from Heathrow Airport London T2,3 station.

More details

Heathrow Airport Terminal 3 to Cardiff train services, operated by Great Western Railway, depart from London Paddington station.

More details

The best way to get from Heathrow Airport Terminal 3 to Cardiff is to train which takes 2h 48m and costs £75 - £140. Alternatively, you can bus, which costs £18 - £45 and takes 3h 15m.

Mode details

Map of how to get from Heathrow Airport Terminal 3 to Cardiff.
Launch map view
  • Distance: 117.9 miles
  • Duration: 2h 48m

What companies run services between Heathrow Airport Terminal 3, England and Cardiff, Wales?

Great Western Railway operates a train from Heathrow Airport Terminal 3 to Cardiff hourly. Tickets cost $75 - $140 and the journey takes 2h. Alternatively, National Express operates a bus from Heathrow Airport Terminal 3 to Cardiff hourly. Tickets cost $45 - $55 and the journey takes 3h 10m. Megabus UK also services this route twice daily.

Train operators
Great Western Railway
Website
gwr.com
Train from London Paddington to Cardiff Central
Ave. Duration
2h
Frequency
Hourly
Estimated price
$75 - $140
Website
gwr.com
Off-Peak Day Single
$40 - $65
Advanced Single
$40 - $65
Anytime Day Single
$75 - $140
Train from West Drayton to Reading
Ave. Duration
34m
Frequency
Every 20 minutes
Estimated price
$12 - $22
Website
gwr.com
Off-Peak Day Single
$9 - $14
Advanced Single
$10 - $15
Anytime Day Single
$12 - $22
Train from Reading to Cardiff Central
Ave. Duration
1h 33m
Frequency
Hourly
Estimated price
$55 - $110
Website
gwr.com
Off-Peak Day Single
$30 - $50
Advanced Single
$30 - $50
Anytime Day Single
$55 - $110
Bus operators
National Express

National Express Coaches are a quick and convenient way of travelling around the UK. Over 550 National Express coaches run on Britain's roads every day, serving over 900 destinations across the UK. National Express Coaches carry around 19 million passenger journeys every year. For added convenience, National Express operate coach services to all major UK airports 24 hours per day, and is on its way to being 100% wheelchair accessible. The company also has a 24-hour control centre that receives a GPS signal to update on location, speed and the temperature inside coaches, ensuring the smoothest journey possible.

Contact Details
Phone
+44 08717 818178
Website
nationalexpress.com
Bus from Heathrow Airport London T2,3 to Cardiff Coach Station, Sophia Gardens
Ave. Duration
3h 10m
Frequency
Hourly
Estimated price
$45 - $55
Website
National Express
Megabus UK
Phone
0871 266 3333
Email
enquiries@megabus.com
Website
uk.megabus.com
Bus from Heathrow Central Bus Station to Cathays Park, University
Ave. Duration
2h 35m
Frequency
Twice daily
Estimated price
$24 - $40
Website
Megabus UK

Want to know more about travelling around United Kingdom

Rome2rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.

More Questions & Answers

Heathrow Airport Terminal 3 to Cardiff bus services, operated by National Express, arrive at Cardiff Coach Station, Sophia Gardens.

More details

Heathrow Airport Terminal 3 to Cardiff train services, operated by Great Western Railway, arrive at Cardiff Central station.

More details

Yes, the driving distance between Heathrow Airport Terminal 3 to Cardiff is 138 miles. It takes approximately 2h 18m to drive from Heathrow Airport Terminal 3 to Cardiff.

Get driving directions

There are 557+ hotels available in Cardiff. Prices start at $59 USD per night.

More details